胶束增敏同步荧光光谱法测定水中微量芘和蒽
Synchronous Fluorimetric Determination of Trace Amounts of Pyrene and Anthracene in Water with Micellar Sensitization
摘 要
十二烷基苯磺酸钠对芘和蒽的荧光有明显的增敏作用,且其荧光的增强程度与芘和蒽浓度分别在4.9×10-9~5.0×10-8mol·L-1和5.6×10-9~5.6×10-8mol·L-1之间呈线性关系.芘和蒽的检出限(3S/N)分别为7.4×10-10mol·L-1和3.7×10-10mol·L-1.利用此反应作为测定芘和蒽的方法并应用于江水、自来水和湖水的分析,测定所得回收率分别为91.0%~102.0%,90.0%~111.1%.
胶束增敏
表面活性剂
芘
蒽
Synchronous fluorimetry
Micellar sensitization
Surfactant
Pyrene
Anthracene
Abstract
The sensitization effect of sodium dodecyl benzene sulfonate (SDBS) on the fluorescence of pyrene and anthracene was observed obviously,and the magnitude of increase in fluorescence intensity was found to keep linear relationships with the concentration of pyrene in the range of 4.9×10-9-5.0×10-8mol·L-1 and anthracene in the range of 5.6×10-9-5.6×10-8mol·L-1.Values of detection limit (3S/N) found were 7.4×10-10mol·L-1 for pyrene and 3.7×10-10mol·L-1 for anthracene.The reaction was used for determination of pyrene and anthracene and was applied to the analysis of river water,tap water and lake water,giving values of recovery in the range of 91.0%-102.0% (for pyrene) and 90.0%-111.1% (for anthracene).
中图分类号 O657.32
所属栏目 工作简报
基金项目 国家863资助项目(2006AA10Z14);国家自然科学基金资助项目(20271042);国家电分析化学重点实验室基金资助项目(2005007);四川省青年基金(06ZQ026-026)
收稿日期 2009/4/26
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备注王晗(1983-),女,辽宁沈阳人,硕士研究生,研究方向为光谱分析.
引用该论文: WANG Han,CHI Yan-hua,SHANG Li-ping,ZHUANG Jia. Synchronous Fluorimetric Determination of Trace Amounts of Pyrene and Anthracene in Water with Micellar Sensitization[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2010, 46(7): 803～806
王晗,迟燕华,尚丽平,庄稼. 胶束增敏同步荧光光谱法测定水中微量芘和蒽[J]. 理化检验－化学分册, 2010, 46(7): 803～806
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